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Instantly add the Bourdon Tube Pressure Gauge with One or Two Fixed Switch Contacts - PGS21 and 50,000+ more product series to your store or catalog  
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Wika Bourdon tube pressure gauge, Model PGS21

Bourdon Tube Pressure Gauge with One or Two Fixed Switch Contacts - PGS21

Brand: WIKA Alexander Wiegand SE & Co. KG
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The model PGS21 switchGAUGE is a combination of a Bourdon tube pressure gauge and a pressure switch.

It offers the usual analogue display, which can be read on-site irrespective of the power supply, and in addition the possibility to switch a potential-free electrical signal.
Features
  • High switching reliability and long service life. 
  • Design per EN 837-1. 
  • Switch contacts fixed to customer requirements. 
  • Increased ingress protection IP 65. 

Specifications

Brand

Design

  • EN 837-1

Nominal Size in mm

  • 40, 50, 63 (Double Contact only with NS 50)

Accuracy Class

  • 2.5

Switch Point Tolerance

  • With double Contact: ± 4 % of Full Scale Value
  • With single Contact: ± 2.5 % of Full Scale Value
  • Factory-set

Scale Ranges

  • 0 to 2.5 to 0 to 400 ba

Pressure Limitation

  • Short Time: Full Scale Value
  • Fluctuating: 2/3 x Full Scale Value
  • Steady: 3/4 x Full Scale Value

Permissible Temperature

  • Medium: +60° C Max.
  • Ambient: -20° to +60° C

Temperature Effect

  • When the temperature of the measuring system deviates from the reference temperature (+20° C): Max. ± 0.4 %/10 K of the Span

Process Connection

  • NS 50, 63: G 1/4 B (Male), 14 mm flats
  • NS 40: G 1/8 B (Male), 14 mm flats
  • Copper Alloy, Lower Mount (LM) or Centre Back Mount (CBM)

Pressure Element

  • C-Type or Helical Type
  • Copper Alloy

Movement

  • Copper Alloy

Dial

  • NS 63: Stainless Steel, White
  • NS 40, 50: Aluminium, White

Pointer

  • Plastic, Black

Case

  • Stainless Steel

Window

  • Polycarbonate

Ingress Protection

  • IP65 per EN 60529 / lEC 529 see also option, Electrical Connection via Connector

Helium Leak Test

  • Leak rate 10-5 mbar*l/s

Electrical Data

  • Switching Current: 5 ... 100 mA
  • Switching Voltage: DC / AC 4.5 ... 24 V
  • Contact load: Max. 2.4 W
  • Switch Contact: Normally closed (NC) or Normally Open (NO) Double Contact only with NS 50

  • Pressure Gauge for Indicating & Monitoring the Pressure in Tanks & for Signalling Leaks
  • General Industrial Applications
  • Machine Building

Documentation

Data Sheet

Operating Instructions

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